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211055383 — PARTS KIT,BALL VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

211055383: PARTS KIT,BALL VALVE.

The PARTS KIT,BALL VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 0.515 INCHES NOMINAL IN, inside_diameter: 2.631 INCHES NOMINAL IN, outside_diameter: 3.410 INCHES NOMINAL IN, special_features: USED ON TOP LOAD HYDRAULIC SERVICE BALL VALVE, end_item_identification: SEAWOLF CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-415-3170, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
211055383
NSN: 4820-01-415-3170
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length0.515 INCHES NOMINAL IN
inside_diameter2.631 INCHES NOMINAL IN
outside_diameter3.410 INCHES NOMINAL IN
special_featuresUSED ON TOP LOAD HYDRAULIC SERVICE BALL VALVE
end_item_identificationSEAWOLF CLASS SSN
valve_design_control_activity53711
valve_model_number_for_which_designed556-6405334
NSN4820-01-415-3170
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 211055383 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 556-6405334
•
OUTSIDE DIAMETER: 3.410 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.631 INCHES NOMINAL IN
•
VALVE DESIGN CONTROL ACTIVITY: 53711
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
VALVE MODEL NUMBER FOR WHICH DESIGNED556-6405334
OUTSIDE DIAMETER3.410 INCHES NOMINAL IN
OVERALL LENGTH0.515 INCHES NOMINAL IN
INSIDE DIAMETER2.631 INCHES NOMINAL IN
SPECIAL FEATURESUSED ON TOP LOAD HYDRAULIC SERVICE BALL VALVE
VALVE DESIGN CONTROL ACTIVITY53711
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
6405334Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 211055383?
211055383 is a PARTS KIT,BALL VALVE.
What parts can replace 211055383?
There is 1 known substitute for 211055383: 6405334. Substitute compatibility should be verified for your specific system.
What is the NSN for 211055383?
211055383 is cataloged in the U.S. Government catalog under NSN 4820-01-415-3170. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.